/* Main navigation owns its layout; payroll and other domain pages keep their styles. */
.board-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 208px;
  flex: 0 0 208px;
  padding: 18px 12px 32px;
  border-right: var(--hairline);
  background: color-mix(in srgb, var(--bg-deep) 55%, var(--card));
  position: sticky;
  top: 64px;
  align-self: flex-start;
  max-height: calc(100dvh - 64px);
  overflow-y: auto;
  scrollbar-width: thin;
}
.board-nav [hidden], .board-nav-backdrop[hidden] { display: none !important; }
.board-nav .nav-item { min-height: 44px; width: 100%; white-space: normal; justify-content: flex-start; text-align: left; }
.board-nav-row { display: flex; align-items: stretch; gap: 2px; }
.board-nav-row > .nav-item { flex: 1 1 auto; min-width: 0; }
.board-nav-expand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex: 0 0 44px;
  min-height: 44px;
  padding: 10px 14px;
  border: 0;
  border-radius: 9px;
  color: var(--muted);
  background: transparent;
  font: 550 13px var(--sans, sans-serif);
  text-align: left;
  cursor: pointer;
}
.board-nav-expand:hover { color: var(--text); background: var(--accent-soft); }
.board-nav-full { flex: 1 1 auto; width: 100%; }
.board-nav-chevron {
  display: block;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  flex: 0 0 7px;
}
.board-nav-expand[aria-expanded="true"] .board-nav-chevron { transform: translateY(2px) rotate(225deg); }
.board-nav-items {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 4px 0 6px 14px;
  padding-left: 8px;
  border-left: 1px solid var(--border-strong);
}
.board-nav .board-nav-items .nav-item { font-size: 12px; font-weight: 450; }
.board-nav-group.has-current > .board-nav-row { border-radius: 9px; background: var(--accent-soft); }
.board-nav button:focus-visible, .board-account:focus-visible, .board-nav-open:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.top-actions .board-account { width: auto; min-height: 36px; padding: 6px 10px; }
.board-nav-heading, .board-nav-open, .board-nav-backdrop { display: none; }
@media (max-width: 768px) {
  .board-nav-open { display: inline-flex; align-items: center; min-height: 44px; margin-right: 8px; }
  body.on-home .board-nav-open { display: none; }
  .board-nav {
    display: none;
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 101;
    width: min(320px, 88vw);
    height: 100vh;
    height: 100dvh;
    max-height: none;
    padding: max(16px, env(safe-area-inset-top)) 14px max(24px, env(safe-area-inset-bottom));
    background: var(--card);
    box-shadow: 10px 0 32px rgba(0, 0, 0, .16);
    overscroll-behavior: contain;
  }
  body.board-nav-is-open { overflow: hidden; }
  body.board-nav-is-open .board-nav { display: flex; }
  .board-nav-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
  .board-nav-heading strong { font-size: 14px; color: var(--text); }
  .board-nav-heading button { min-height: 44px; }
  .board-nav-backdrop { display: block; position: fixed; inset: 0; z-index: 100; background: rgba(0, 0, 0, .38); }
  .top-actions .board-account, .top-actions #btn-logout, .top-actions .notif-btn { min-height: 44px; }
}
@media (max-width: 420px) {
  .topbar .who { display: none; }
  .topbar .brand-name { font-size: 12px; }
  .topbar .brand-home-link { gap: 6px; }
  .topbar .top-actions { gap: 2px; }
}